Fluctuating Pressure

neil8375 · 22 Nov 2006

I have a response 120 combi bolier. Problem has just started a couple of weeks ago. When the heating is switched on after a couple of minutes the pressure rises to 3 bar then after an hour or so settles down to 1 1/2 bar. When heating switches off the pressure will drop down to zero and I have to refill the system.

Any ideas

Thanks

cross thread · 22 Nov 2006

look up expansion vessel

sm1thson · 22 Nov 2006

look in the wiki.

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Fluctuating Pressure

neil8375

cross thread

sm1thson

DIYnot Local

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